Submission #6510540

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;

int main(){
  string a;
  bool b=true;
  cin>>a;
  sort(a.begin(),a.end());
  for(int i=0;i<a.size()-1;i++){
    if(a.at(i)==a.at(i+1)){
      cout<<"no"<<endl;
      b=false;
      break;
    }
  }
  if(b)
    cout<<"yes"<<endl;
}

Submission Info

Judge Result